Perhaps you should try some spelling variations:
"re decolonization from" » "re decolonisation from", "re decolonization africa", "re decolonization across", "_ decolonization from", "re colonization from", "box decolonization from"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"_ communication iraq" » "_ communication iran", "_ communication israel", "_ communication italy"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re decolonization from") OR ("_ communication iraq"))) OR ("et cooperation history"))~.
• Removing quotes may allow a broader search: (((( re decolonization from ) or ( _ communication iraq ))) or ( et cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re decolonization from") or ("_ communication iraq"))) or ("et cooperation history"))*.